[exDemMom]

FReeper comments also reflect reduced access to sunshine and resulting suppressed immune system seems to coincide with flu/ influenza outbreaks.

Or the outbreaks could be coincidental with lower temperatures that favor the survival of the virus outside of the body.

[MD Expat in PA]

Or the outbreaks could be coincidental with lower temperatures that favor the survival of the virus outside of the body.

Not to mention more people in indoor spaces - kids going back to school, people wearing heavy coats and sweating like crazy while shopping in crowded overheated stores prior to Christmas.